From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> To: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: linux-fbdev@vger.kernel.org, linux-media@vger.kernel.org, magnus.damm@gmail.com Subject: Re: [PATCH/RFC v2 3/3] fbdev: sh_mobile_lcdc: Support FOURCC-based format API Date: Sun, 28 Aug 2011 10:59:00 +0200 [thread overview] Message-ID: <201108281059.00860.laurent.pinchart@ideasonboard.com> (raw) In-Reply-To: <4E57D6B2.40001@gmx.de> Hi Florian, Thanks for the review. On Friday 26 August 2011 19:24:02 Florian Tobias Schandinat wrote: > On 08/19/2011 09:37 AM, Laurent Pinchart wrote: [snip] > > diff --git a/drivers/video/sh_mobile_lcdcfb.c > > b/drivers/video/sh_mobile_lcdcfb.c index 97ab8ba..ea3f619 100644 > > --- a/drivers/video/sh_mobile_lcdcfb.c > > +++ b/drivers/video/sh_mobile_lcdcfb.c [snip] > > @@ -1099,51 +1154,78 @@ static int sh_mobile_check_var(struct [snip] > > + if (var->format.fourcc > 1) { > > + switch (var->format.fourcc) { > > + case V4L2_PIX_FMT_NV12: > > + case V4L2_PIX_FMT_NV21: > > + var->bits_per_pixel = 12; > > + break; > > + case V4L2_PIX_FMT_RGB565: > > + case V4L2_PIX_FMT_NV16: > > + case V4L2_PIX_FMT_NV61: > > + var->bits_per_pixel = 16; > > + break; > > + case V4L2_PIX_FMT_BGR24: > > + case V4L2_PIX_FMT_NV24: > > + case V4L2_PIX_FMT_NV42: > > + var->bits_per_pixel = 24; > > + break; > > + case V4L2_PIX_FMT_BGR32: > > + var->bits_per_pixel = 32; > > + break; > > + default: > > + return -EINVAL; > > + } > > + > > + memset(var->format.reserved, 0, sizeof(var->format.reserved)); > > If we decide to use another of the reserved area this won't have the > desired behavior as the behavior of this driver will change even if it > does not support the new field. Probably the best thing is to get the > desired behavior is zeroing the whole struct and setting the supported > fields to the actual values. You should check and adjust colorspace here > as well. Agreed. I'll fix the patch accordingly. -- Regards, Laurent Pinchart
WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> To: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: linux-fbdev@vger.kernel.org, linux-media@vger.kernel.org, magnus.damm@gmail.com Subject: Re: [PATCH/RFC v2 3/3] fbdev: sh_mobile_lcdc: Support FOURCC-based format API Date: Sun, 28 Aug 2011 08:59:00 +0000 [thread overview] Message-ID: <201108281059.00860.laurent.pinchart@ideasonboard.com> (raw) In-Reply-To: <4E57D6B2.40001@gmx.de> Hi Florian, Thanks for the review. On Friday 26 August 2011 19:24:02 Florian Tobias Schandinat wrote: > On 08/19/2011 09:37 AM, Laurent Pinchart wrote: [snip] > > diff --git a/drivers/video/sh_mobile_lcdcfb.c > > b/drivers/video/sh_mobile_lcdcfb.c index 97ab8ba..ea3f619 100644 > > --- a/drivers/video/sh_mobile_lcdcfb.c > > +++ b/drivers/video/sh_mobile_lcdcfb.c [snip] > > @@ -1099,51 +1154,78 @@ static int sh_mobile_check_var(struct [snip] > > + if (var->format.fourcc > 1) { > > + switch (var->format.fourcc) { > > + case V4L2_PIX_FMT_NV12: > > + case V4L2_PIX_FMT_NV21: > > + var->bits_per_pixel = 12; > > + break; > > + case V4L2_PIX_FMT_RGB565: > > + case V4L2_PIX_FMT_NV16: > > + case V4L2_PIX_FMT_NV61: > > + var->bits_per_pixel = 16; > > + break; > > + case V4L2_PIX_FMT_BGR24: > > + case V4L2_PIX_FMT_NV24: > > + case V4L2_PIX_FMT_NV42: > > + var->bits_per_pixel = 24; > > + break; > > + case V4L2_PIX_FMT_BGR32: > > + var->bits_per_pixel = 32; > > + break; > > + default: > > + return -EINVAL; > > + } > > + > > + memset(var->format.reserved, 0, sizeof(var->format.reserved)); > > If we decide to use another of the reserved area this won't have the > desired behavior as the behavior of this driver will change even if it > does not support the new field. Probably the best thing is to get the > desired behavior is zeroing the whole struct and setting the supported > fields to the actual values. You should check and adjust colorspace here > as well. Agreed. I'll fix the patch accordingly. -- Regards, Laurent Pinchart
next prev parent reply other threads:[~2011-08-28 8:58 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-19 9:37 [PATCH/RFC v2 0/3] fbdev: Add FOURCC-based format configuration API Laurent Pinchart 2011-08-19 9:37 ` Laurent Pinchart 2011-08-19 9:37 ` [PATCH/RFC v2 1/3] " Laurent Pinchart 2011-08-19 9:37 ` Laurent Pinchart 2011-08-26 17:07 ` Florian Tobias Schandinat 2011-08-26 17:07 ` [PATCH/RFC v2 1/3] fbdev: Add FOURCC-based format configuration Florian Tobias Schandinat 2011-08-28 8:48 ` [PATCH/RFC v2 1/3] fbdev: Add FOURCC-based format configuration API Laurent Pinchart 2011-08-28 8:48 ` Laurent Pinchart 2011-08-29 8:13 ` Geert Uytterhoeven 2011-08-29 8:13 ` Geert Uytterhoeven 2011-08-29 8:50 ` Laurent Pinchart 2011-08-29 8:50 ` Laurent Pinchart 2011-08-29 9:36 ` Geert Uytterhoeven 2011-08-29 9:36 ` Geert Uytterhoeven 2011-08-29 10:09 ` Laurent Pinchart 2011-08-29 10:09 ` Laurent Pinchart 2011-08-29 11:04 ` Geert Uytterhoeven 2011-08-29 11:04 ` Geert Uytterhoeven 2011-08-29 11:08 ` Laurent Pinchart 2011-08-29 11:08 ` Laurent Pinchart 2011-08-29 11:20 ` Geert Uytterhoeven 2011-08-29 11:20 ` Geert Uytterhoeven 2011-08-29 12:55 ` Laurent Pinchart 2011-08-29 12:55 ` Laurent Pinchart 2011-08-29 13:09 ` Geert Uytterhoeven 2011-08-29 13:09 ` Geert Uytterhoeven 2011-08-29 13:34 ` Laurent Pinchart 2011-08-29 13:34 ` Laurent Pinchart 2011-08-29 14:14 ` Geert Uytterhoeven 2011-08-29 14:14 ` Geert Uytterhoeven 2011-08-29 14:17 ` Laurent Pinchart 2011-08-29 14:17 ` Laurent Pinchart 2011-08-29 14:26 ` Geert Uytterhoeven 2011-08-29 14:26 ` Geert Uytterhoeven 2011-08-29 14:32 ` Laurent Pinchart 2011-08-29 14:32 ` Laurent Pinchart 2011-08-29 16:41 ` Florian Tobias Schandinat 2011-08-29 16:41 ` [PATCH/RFC v2 1/3] fbdev: Add FOURCC-based format configuration Florian Tobias Schandinat 2011-08-30 1:09 ` [PATCH/RFC v2 1/3] fbdev: Add FOURCC-based format configuration API Laurent Pinchart 2011-08-30 1:09 ` Laurent Pinchart 2011-08-19 9:37 ` [PATCH/RFC v2 2/3] v4l: Add V4L2_PIX_FMT_NV24 and V4L2_PIX_FMT_NV42 formats Laurent Pinchart 2011-08-19 9:37 ` Laurent Pinchart 2011-08-19 9:37 ` [PATCH/RFC v2 3/3] fbdev: sh_mobile_lcdc: Support FOURCC-based format API Laurent Pinchart 2011-08-19 9:37 ` Laurent Pinchart 2011-08-26 17:24 ` Florian Tobias Schandinat 2011-08-26 17:24 ` [PATCH/RFC v2 3/3] fbdev: sh_mobile_lcdc: Support FOURCC-based Florian Tobias Schandinat 2011-08-28 8:59 ` Laurent Pinchart [this message] 2011-08-28 8:59 ` [PATCH/RFC v2 3/3] fbdev: sh_mobile_lcdc: Support FOURCC-based format API Laurent Pinchart 2011-08-29 0:39 ` Magnus Damm 2011-08-29 0:39 ` [PATCH/RFC v2 3/3] fbdev: sh_mobile_lcdc: Support FOURCC-based Magnus Damm 2011-08-29 8:30 ` [PATCH/RFC v2 3/3] fbdev: sh_mobile_lcdc: Support FOURCC-based format API Laurent Pinchart 2011-08-29 8:30 ` Laurent Pinchart
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